ci: Update runner images

Author: sorairolake

.github/workflows/CI.yaml

@@ -30,16 +30,16 @@ jobs:
           - os-alias: ubuntu
             os: ubuntu-24.04
           - os-alias: macos
-            os: macos-14
+            os: macos-15
           - os-alias: windows
-            os: windows-2022
+            os: windows-2025
           - go-version-alias: minimum
             go-version: "1.22"
           - go-version-alias: stable
             go-version: "stable"
     steps:
       - name: Set Git to use LF
-        if: matrix.os == 'windows-2022'
+        if: matrix.os == 'windows-2025'
         run: |
           git config --global core.autocrlf false
           git config --global core.eol lf